RTH6300B Programmable Thermostat
5
Installation Guide
4
Remove your old thermostat
Pre-installation checklist
Required tools & supplies
•
No. 2 Phillips screwdriver
•
Small pocket screwdriver
•
Drill
•
Drill bit (3/16” for drywall, 7/32” for plaster)
•
Hammer
•
Pencil
•
Electrical tape
•
Level (optional)
•
Two fresh AA alkaline batteries
1
T
Tu
urrn
n o
offff p
po
ow
we
err at heating/cooling system (or fuse/circuit-breaker panel).
2
Remove cover and thermostat, but leave wallplate with wires attached.
Old thermostat
Leave wallplate in place
Is there a sealed tube containing mercury?
If so, see inside front cover of this manual
for proper disposal instructions.
Cover